From b9ea630e726d12678b9933b143987f9107bde8e2 Mon Sep 17 00:00:00 2001
From: Dmitriy Kotov <dmkotov@gmail.com>
Date: Mon, 21 Dec 2020 14:29:57 +0300
Subject: [PATCH] Fix for #5506

---
 netbox/utilities/templatetags/helpers.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/netbox/utilities/templatetags/helpers.py b/netbox/utilities/templatetags/helpers.py
index a93abe1a5..037b1885d 100644
--- a/netbox/utilities/templatetags/helpers.py
+++ b/netbox/utilities/templatetags/helpers.py
@@ -36,11 +36,15 @@ def render_markdown(value):
     """
     Render text as Markdown
     """
+    schemes = '|'.join(settings.ALLOWED_URL_SCHEMES)
+
+    # Fix for angle brackets markdown
+    value = re.sub(fr"<(?={schemes}:)(.*?)>", "[\\1](\\1)", value, flags=re.MULTILINE|re.IGNORECASE)
+
     # Strip HTML tags
     value = strip_tags(value)
 
     # Sanitize Markdown links
-    schemes = '|'.join(settings.ALLOWED_URL_SCHEMES)
     pattern = fr'\[(.+)\]\((?!({schemes})).*:(.+)\)'
     value = re.sub(pattern, '[\\1](\\3)', value, flags=re.IGNORECASE)